I have tried that...but i can see the density in coot at  even 8 sigma.. however the maximum i can go to in pymol is 4.5 simga on a F0-Fc map
Can u suggest any method to see the same density at 6 sigma

Manas

On Mon, Dec 5, 2011 at 11:14 PM, Pete Meyer <pameyer@mcw.edu> wrote:
isomesh [mesh name], [map name], 6.0